HB/nos4
SYMMETRIC MATRIX OF BEAM STRUCTURE, NOVEMBER 1982.
| Name | nos4 | 
| Group | HB | 
| Matrix ID | 220 | 
| Num Rows | 100 | 
| Num Cols | 100 | 
| Nonzeros | 594 | 
| Pattern Entries | 594 | 
| Kind | Structural Problem | 
| Symmetric | Yes | 
| Date | 1982 | 
| Author | H. Simon | 
| Editor | I. Duff, R. Grimes, J. Lewis | 
 
 
| Structural Rank | 100 | 
| Structural Rank Full | true | 
| Num Dmperm Blocks | 1 | 
| Strongly Connect Components | 1 | 
| Num Explicit Zeros | 0 | 
| Pattern Symmetry | 100% | 
| Numeric Symmetry | 100% | 
| Cholesky Candidate | yes | 
| Positive Definite | yes | 
| Type | real | 
 
| SVD Statistics | 
| Matrix Norm | 8.491378e-01 | 
| Minimum Singular Value | 5.379528e-04 | 
| Condition Number | 1.578461e+03 | 
| Rank | 100 | 
| sprank(A)-rank(A) | 0 | 
| Null Space Dimension | 0 | 
| Full Numerical Rank? | yes | 
| Download Singular Values | MATLAB |